[gn build] Manually port 078ae8c

llvm/utils/gn/secondary/clang/lib/CodeGen/BUILD.gn

@@ -18,6 +18,7 @@ static_library("CodeGen") {
     "//llvm/lib/CodeGen",
     "//llvm/lib/Demangle",
     "//llvm/lib/Frontend/HLSL",
+    "//llvm/lib/Frontend/Offloading",
     "//llvm/lib/IR",
     "//llvm/lib/IRPrinter",
     "//llvm/lib/IRReader",

llvm/utils/gn/secondary/llvm/lib/Frontend/Offloading/BUILD.gn

@@ -0,0 +1,9 @@
+static_library("Offloading") {
+  output_name = "LLVMFrontendOffloading"
+  deps = [
+    "//llvm/lib/IR",
+    "//llvm/lib/Support",
+    "//llvm/lib/Transforms/Utils",
+  ]
+  sources = [ "Utility.cpp" ]
+}

llvm/utils/gn/secondary/llvm/lib/Frontend/OpenMP/BUILD.gn

@@ -2,6 +2,7 @@ static_library("OpenMP") {
   output_name = "LLVMFrontendOpenMP"
   deps = [
     "//llvm/lib/Analysis",
+    "//llvm/lib/Frontend/Offloading",
     "//llvm/lib/IR",
     "//llvm/lib/MC",
     "//llvm/lib/Support",